Gross dissection and histochemical analysis of the shoulder musculature of the American kestrel, Falco sparverius, revealed that four muscles are specialized for slow contraction and may function in the postural control of the folded wing., Photo about Male American kestrel (Falco sparverius) feeding a skink to its young at a wooden nest box in Lassen County, California. Image of cavity, colorful, skink - 391483574, Picture of the american kestrel (falco sparverius), also called the sparrow hawk, is the smallest and most common falcon in north america. stock photo, images and stock photography. Image 208142770., Falco sparverius aequatorialis Falco sparverius peruvianus Falco sparverius fernandensis Falco sparverius cearae Esta entrada aún no tiene una descripción. La información sobre EcoRegistros es colaborativa, por lo que cualquier usuario puede crear una descripción para este taxón. La descripción será acreditada al nombre del autor., (Linnaeus 1758) (Falco). Sparverius (See: Sparvius) Sparvius French Épervier sparrowhawk < Med. L. sparverius sparrowhawk. (Accipitridae; syn. Astur†Eurasian Goshawk A. gentilis) "ÉPERVIER, Sparvius. Falco, Linn. Gm. Lath. Bec court, incliné dès la base, convexe en dessus. - Narines un peu ovales. - Tarses alongés, plus ou moins grêles., .